The Agarest: Generations of War Premium Edition collection contains the following items:

40 page hi-res digital artbook showing scenes and characters from the game

6 hi-resolution official wallpapers

The official Agarest Soundtrack:
1 Agarest War Suite
2 Awakening
3 The 1st Generation Theme
4 An Adventure Story
5 Don't Wait For Me
6 Pantheon
7 With Light Steps
8 The Eye
9 7th Ave.
10 Breeze Of Time
11 Choose The Way
12 Wild Life
13 The Priest
14 Main Event
15 From The Depths
16 Password
17 Tension And Anger
18 Wheel Of Fortune
19 Visionary
20 The Hunt
21 City Life
22 Shall I Help?
23 The Oracle
24 Calm Forest
25 The Earth Memories